On Mon, 6 Dec 2021 11:11:51 +, Christophe Leroy wrote:
> Unmapping a fixmap entry is done by calling __set_fixmap()
> with FIXMAP_PAGE_CLEAR as flags.
>
> Today, powerpc __set_fixmap() calls map_kernel_page().
>
> map_kernel_page() is not happy when called a second time
> for the same page.
>
Hi Michael,
ping ?
Le 06/12/2021 à 12:11, Christophe Leroy a écrit :
> Unmapping a fixmap entry is done by calling __set_fixmap()
> with FIXMAP_PAGE_CLEAR as flags.
>
> Today, powerpc __set_fixmap() calls map_kernel_page().
>
> map_kernel_page() is not happy when called a second time
> for the
On Mon, 2021-12-06 at 11:11 +, Christophe Leroy wrote:
>
> Reported-by: Maxime Bizon
Tested-by: Maxime Bizon
maybe stable ? I had this on 5.15
Thanks !
--
Maxime
Unmapping a fixmap entry is done by calling __set_fixmap()
with FIXMAP_PAGE_CLEAR as flags.
Today, powerpc __set_fixmap() calls map_kernel_page().
map_kernel_page() is not happy when called a second time
for the same page.
WARNING: CPU: 0 PID: 1 at arch/powerpc/mm/pgtable.c:194
set_pte_